.nav {
  height: 30px;
  background: #000;
  border-bottom: 1px solid #eaeaea;
}
.nav a {
  float: left;
  height: 30px;
  color: #999;
}
.nav a:hover {
  color: #fff;
}
.nav .nav-left {
  /*左侧导航*/
  line-height: 30px;
}
.nav .nav-left .welcome {
  float: left;
}
.nav .nav-left .account a {
  float: left;
  margin-left: 30px;
}
.nav .nav-left a.phone {
  position: relative;
}
.nav .nav-left a.phone:hover .code {
  display: block;
}
.nav .nav-left a.phone .code {
  /*我二维码*/
  display: none;
  position: absolute;
  z-index: 999;
  top: 40px;
  left: 0;
  margin-left: 50%;
  padding: 0 12px;
  border: 1px solid #eaeaea;
  transform: translate(-50%);
  background: #fff;
}
.nav .nav-left a.phone .code span {
  display: block;
  line-height: 18px;
  color: #000;
  font-size: 14px;
  text-align: center;
  background: #fff;
}
.nav .nav-left a.phone .code img {
  z-index: 999;
  width: 116px;
  height: 116px;
}
.nav .nav-left .arrow {
  /*小箭头*/
  position: absolute;
  width: 10px;
  height: 10px;
  top: -6px;
  left: 0;
  right: 0;
  margin: auto;
  border-top: 1px solid #eaeaea;
  border-left: 1px solid #eaeaea;
  background-color: #fff;
  transform: rotate(45deg);
}
.nav .nav-right {
  /*右侧导航*/
  line-height: 30px;
}
.nav .nav-right .group1,
.nav .nav-right .group2 {
  float: right;
}
.nav .nav-right .group1 a,
.nav .nav-right .group2 a {
  margin-right: 20px;
}
.nav .nav-right .group2 ul li {
  position: relative;
  float: left;
}
.nav .nav-right .group2 ul li a {
  z-index: 99;
  margin: 0;
  padding: 0 12px;
}
.nav .nav-right .group2 ul li a:hover {
  background-color: #fff;
  color: #ff1132;
}
.nav .nav-right .group2 ul li a:hover i {
  border-top-color: #ff1132;
  transform: rotate(180deg);
}
.nav .nav-right .group2 ul li a i {
  /*小箭头*/
  display: inline-block;
  position: relative;
  top: 2px;
  left: 1px;
  width: 0;
  height: 0;
  border: 4px solid #999;
  border-left-color: transparent;
  border-right-color: transparent;
  border-bottom-color: transparent;
  transform-origin: center 2px;
  transition: transform 0.2s ease-in;
}
.nav .nav-right .group2 ul li a.video:hover {
  color: #fff;
  background: #000;
}
.nav .nav-right .group2 ul li:hover ul.dropdown {
  display: block;
}
.nav .nav-right .group2 ul.dropdown {
  display: none;
  position: absolute;
  z-index: 999;
  top: 30px;
  left: 0;
  margin-left: 50%;
  background: #fff;
  border: 1px solid #eaeaea;
  transform: translate(-50%);
}
.nav .nav-right .group2 ul.dropdown li a {
  min-width: 90px;
  text-align: center;
}
.nav .nav-right .group2 ul.dropdown li a:hover {
  color: #ff1132;
  background: #fff;
}
.nav .nav-right .group2 ul.dropdown .line {
  display: inline-block;
  position: relative;
  height: 1px;
  width: 100px;
  margin-right: 10px;
  margin-left: 10px;
  background: #eaeaea;
}
